sku-pg
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Skulpt is a Javascript implementation of Python 2.x. Python that runs in your browser!
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// //
// Any edits to this file must be applied to vec4f_test.html by running: //
// swap_type.sh vec4d_test.html > vec4f_test.html //
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-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.vec.vec4d</title>
<script src="../base.js"></script>
<script>
goog.require('goog.vec.Float64Array');
goog.require('goog.vec.vec4d');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
function testCreate() {
var v = goog.vec.vec4d.create();
assertElementsEquals([0, 0, 0, 0], v);
}
function testSet() {
var v = goog.vec.vec4d.create();
goog.vec.vec4d.setFromValues(v, 1, 2, 3, 4);
assertElementsEquals([1, 2, 3, 4], v);
goog.vec.vec4d.setFromArray(v, [4, 5, 6, 7]);
assertElementsEquals([4, 5, 6, 7], v);
}
function testAdd() {
var v0 = goog.vec.vec4d.setFromArray(goog.vec.vec4d.create(), [1, 2, 3, 4]);
var v1 = goog.vec.vec4d.setFromArray(goog.vec.vec4d.create(), [5, 6, 7, 8]);
var v2 = goog.vec.vec4d.setFromVec4d(goog.vec.vec4d.create(), v0);
goog.vec.vec4d.add(v2, v1, v2);
assertElementsEquals([1, 2, 3, 4], v0);
assertElementsEquals([5, 6, 7, 8], v1);
assertElementsEquals([6, 8, 10, 12], v2);
goog.vec.vec4d.add(goog.vec.vec4d.add(v0, v1, v2), v0, v2);
assertElementsEquals([7, 10, 13, 16], v2);
}
function testSubtract() {
var v0 = goog.vec.vec4d.setFromArray(goog.vec.vec4d.create(), [4, 3, 2, 1]);
var v1 = goog.vec.vec4d.setFromArray(goog.vec.vec4d.create(), [5, 6, 7, 8]);
var v2 = goog.vec.vec4d.setFromVec4d(goog.vec.vec4d.create(), v0);
goog.vec.vec4d.subtract(v2, v1, v2);
assertElementsEquals([4, 3, 2, 1], v0);
assertElementsEquals([5, 6, 7, 8], v1);
assertElementsEquals([-1, -3, -5, -7], v2);
goog.vec.vec4d.setFromValues(v2, 0, 0, 0, 0);
goog.vec.vec4d.subtract(v1, v0, v2);
assertElementsEquals([1, 3, 5, 7], v2);
goog.vec.vec4d.subtract(goog.vec.vec4d.subtract(v1, v0, v2), v0, v2);
assertElementsEquals([-3, 0, 3, 6], v2);
}
function testNegate() {
var v0 = goog.vec.vec4d.setFromArray(goog.vec.vec4d.create(), [1, 2, 3, 4]);
var v1 = goog.vec.vec4d.create();
goog.vec.vec4d.negate(v0, v1);
assertElementsEquals([-1, -2, -3, -4], v1);
assertElementsEquals([1, 2, 3, 4], v0);
goog.vec.vec4d.negate(v0, v0);
assertElementsEquals([-1, -2, -3, -4], v0);
}
function testScale() {
var v0 = goog.vec.vec4d.setFromArray(goog.vec.vec4d.create(), [1, 2, 3, 4]);
var v1 = goog.vec.vec4d.create();
goog.vec.vec4d.scale(v0, 4, v1);
assertElementsEquals([4, 8, 12, 16], v1);
assertElementsEquals([1, 2, 3, 4], v0);
goog.vec.vec4d.setFromArray(v1, v0);
goog.vec.vec4d.scale(v1, 5, v1);
assertElementsEquals([5, 10, 15, 20], v1);
}
function testMagnitudeSquared() {
var v0 = goog.vec.vec4d.setFromArray(goog.vec.vec4d.create(), [1, 2, 3, 4]);
assertEquals(30, goog.vec.vec4d.magnitudeSquared(v0));
}
function testMagnitude() {
var v0 = goog.vec.vec4d.setFromArray(goog.vec.vec4d.create(), [1, 2, 3, 4]);
assertEquals(Math.sqrt(30), goog.vec.vec4d.magnitude(v0));
}
function testNormalize() {
var v0 = goog.vec.vec4d.setFromArray(goog.vec.vec4d.create(), [2, 3, 4, 5]);
var v1 = goog.vec.vec4d.create();
var v2 = goog.vec.vec4d.create();
goog.vec.vec4d.scale(v0, 1 / goog.vec.vec4d.magnitude(v0), v2);
goog.vec.vec4d.normalize(v0, v1);
assertElementsEquals(v2, v1);
assertElementsEquals([2, 3, 4, 5], v0);
goog.vec.vec4d.setFromArray(v1, v0);
goog.vec.vec4d.normalize(v1, v1);
assertElementsEquals(v2, v1);
}
function testDot() {
var v0 = goog.vec.vec4d.setFromArray(goog.vec.vec4d.create(), [1, 2, 3, 4]);
var v1 = goog.vec.vec4d.setFromArray(goog.vec.vec4d.create(), [5, 6, 7, 8]);
assertEquals(70, goog.vec.vec4d.dot(v0, v1));
assertEquals(70, goog.vec.vec4d.dot(v1, v0));
}
function testLerp() {
var v0 = goog.vec.vec4d.setFromValues(goog.vec.vec4d.create(), 1, 2, 3, 4);
var v1 = goog.vec.vec4d.setFromValues(goog.vec.vec4d.create(), 10, 20, 30, 40);
var v2 = goog.vec.vec4d.setFromVec4d(goog.vec.vec4d.create(), v0);
goog.vec.vec4d.lerp(v2, v1, 0, v2);
assertElementsEquals([1, 2, 3, 4], v2);
goog.vec.vec4d.lerp(v2, v1, 1, v2);
assertElementsEquals([10, 20, 30, 40], v2);
goog.vec.vec4d.lerp(v0, v1, .5, v2);
assertElementsEquals([5.5, 11, 16.5, 22], v2);
}
function testEquals() {
var v0 = goog.vec.vec4d.setFromValues(goog.vec.vec4d.create(), 1, 2, 3, 4);
var v1 = goog.vec.vec4d.setFromVec4d(goog.vec.vec4d.create(), v0);
assertElementsEquals(v0, v1);
v1[0] = 5;
assertFalse(goog.vec.vec4d.equals(v0, v1));
v1 = goog.vec.vec4d.setFromVec4d(goog.vec.vec4d.create(), v0);
v1[1] = 5;
assertFalse(goog.vec.vec4d.equals(v0, v1));
v1 = goog.vec.vec4d.setFromVec4d(goog.vec.vec4d.create(), v0);
v1[2] = 5;
assertFalse(goog.vec.vec4d.equals(v0, v1));
v1 = goog.vec.vec4d.setFromVec4d(goog.vec.vec4d.create(), v0);
v1[3] = 5;
assertFalse(goog.vec.vec4d.equals(v0, v1));
}
</script>
</body>